Question 15.7

15.7 Prediction. An observed relationship between two variables can be used for prediction

  1. (a) as long as we know the relationship is due to direct causation.

  2. (b) as long as the relationship is a straight-line relationship.

  3. (c) as long as the patterns found in past data continue to hold true.

  4. (d) in all of the above instances.